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freebsd-dev/contrib/ncurses/progs/dump_entry.c
Peter Wemm 0e3d540892 Import unmodified (but trimmed) ncurses 5.0 prerelease 990821. 
This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from:	ftp://ftp.clark.net/pub/dickey/ncurses
1999-08-24 01:06:48 +00:00

914 lines
23 KiB
C
Raw Blame History

/****************************************************************************
* Copyright (c) 1998,1999 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
#define __INTERNAL_CAPS_VISIBLE
#include <progs.priv.h>
#include "dump_entry.h"
#include "termsort.c" /* this C file is generated */
#include <parametrized.h> /* so is this */
MODULE_ID("$Id: dump_entry.c,v 1.37 1999/03/14 12:29:30 tom Exp $")
#define INDENT 8
#define DISCARD(string) string = ABSENT_STRING
static int tversion; /* terminfo version */
static int outform; /* output format to use */
static int sortmode; /* sort mode to use */
static int width = 60; /* max line width for listings */
static int column; /* current column, limited by 'width' */
static int oldcol; /* last value of column before wrap */
static int tracelevel; /* level of debug output */
static bool pretty; /* true if we format if-then-else strings */
static char *outbuf; /* the output-buffer */
static size_t out_used; /* ...its current length */
static size_t out_size; /* ...and its allocated length */
/* indirection pointers for implementing sort and display modes */
static const int *bool_indirect, *num_indirect, *str_indirect;
static NCURSES_CONST char * const *bool_names;
static NCURSES_CONST char * const *num_names;
static NCURSES_CONST char * const *str_names;
static const char *separator, *trailer;
/* cover various ports and variants of terminfo */
#define V_ALLCAPS 0 /* all capabilities (SVr4, XSI, ncurses) */
#define V_SVR1 1 /* SVR1, Ultrix */
#define V_HPUX 2 /* HP/UX */
#define V_AIX 3 /* AIX */
#define V_BSD 4 /* BSD */
#define OBSOLETE(n) (n[0] == 'O' && n[1] == 'T')
#if NCURSES_XNAMES
#define BoolIndirect(j) ((j >= BOOLCOUNT) ? (j) : ((sortmode == S_NOSORT) ? j : bool_indirect[j]))
#define NumIndirect(j) ((j >= NUMCOUNT) ? (j) : ((sortmode == S_NOSORT) ? j : num_indirect[j]))
#define StrIndirect(j) ((j >= STRCOUNT) ? (j) : ((sortmode == S_NOSORT) ? j : str_indirect[j]))
#else
#define BoolIndirect(j) ((sortmode == S_NOSORT) ? (j) : bool_indirect[j])
#define NumIndirect(j) ((sortmode == S_NOSORT) ? (j) : num_indirect[j])
#define StrIndirect(j) ((sortmode == S_NOSORT) ? (j) : str_indirect[j])
#endif
#if NO_LEAKS
void _nc_leaks_dump_entry(void)
{
if (outbuf != 0) {
free(outbuf);
outbuf = 0;
}
}
#endif
NCURSES_CONST char *nametrans(const char *name)
/* translate a capability name from termcap to terminfo */
{
const struct name_table_entry *np;
if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != 0)
switch(np->nte_type)
{
case BOOLEAN:
if (bool_from_termcap[np->nte_index])
return(boolcodes[np->nte_index]);
break;
case NUMBER:
if (num_from_termcap[np->nte_index])
return(numcodes[np->nte_index]);
break;
case STRING:
if (str_from_termcap[np->nte_index])
return(strcodes[np->nte_index]);
break;
}
return(0);
}
void dump_init(const char *version, int mode, int sort, int twidth, int traceval, bool formatted)
/* set up for entry display */
{
width = twidth;
pretty = formatted;
tracelevel = traceval;
/* versions */
if (version == 0)
tversion = V_ALLCAPS;
else if (!strcmp(version, "SVr1") || !strcmp(version, "SVR1")
|| !strcmp(version, "Ultrix"))
tversion = V_SVR1;
else if (!strcmp(version, "HP"))
tversion = V_HPUX;
else if (!strcmp(version, "AIX"))
tversion = V_AIX;
else if (!strcmp(version, "BSD"))
tversion = V_BSD;
else
tversion = V_ALLCAPS;
/* implement display modes */
switch (outform = mode)
{
case F_LITERAL:
case F_TERMINFO:
bool_names = boolnames;
num_names = numnames;
str_names = strnames;
separator = twidth ? ", " : ",";
trailer = "\n\t";
break;
case F_VARIABLE:
bool_names = boolfnames;
num_names = numfnames;
str_names = strfnames;
separator = twidth ? ", " : ",";
trailer = "\n\t";
break;
case F_TERMCAP:
case F_TCONVERR:
bool_names = boolcodes;
num_names = numcodes;
str_names = strcodes;
separator = ":";
trailer = "\\\n\t:";
break;
}
/* implement sort modes */
switch(sortmode = sort)
{
case S_NOSORT:
if (traceval)
(void) fprintf(stderr,
"%s: sorting by term structure order\n", _nc_progname);
break;
case S_TERMINFO:
if (traceval)
(void) fprintf(stderr,
"%s: sorting by terminfo name order\n", _nc_progname);
bool_indirect = bool_terminfo_sort;
num_indirect = num_terminfo_sort;
str_indirect = str_terminfo_sort;
break;
case S_VARIABLE:
if (traceval)
(void) fprintf(stderr,
"%s: sorting by C variable order\n", _nc_progname);
bool_indirect = bool_variable_sort;
num_indirect = num_variable_sort;
str_indirect = str_variable_sort;
break;
case S_TERMCAP:
if (traceval)
(void) fprintf(stderr,
"%s: sorting by termcap name order\n", _nc_progname);
bool_indirect = bool_termcap_sort;
num_indirect = num_termcap_sort;
str_indirect = str_termcap_sort;
break;
}
if (traceval)
(void) fprintf(stderr,
"%s: width = %d, tversion = %d, outform = %d\n",
_nc_progname, width, tversion, outform);
}
static TERMTYPE *cur_type;
static int dump_predicate(int type, int idx)
/* predicate function to use for ordinary decompilation */
{
switch(type) {
case BOOLEAN:
return (cur_type->Booleans[idx] == FALSE)
? FAIL : cur_type->Booleans[idx];
case NUMBER:
return (cur_type->Numbers[idx] == ABSENT_NUMERIC)
? FAIL : cur_type->Numbers[idx];
case STRING:
return (cur_type->Strings[idx] != ABSENT_STRING)
? (int)TRUE : FAIL;
}
return(FALSE); /* pacify compiler */
}
static void set_obsolete_termcaps(TERMTYPE *tp);
static void repair_acsc(TERMTYPE *tp);
/* is this the index of a function key string? */
#define FNKEY(i) (((i)<= 65 && (i)>= 75) || ((i)<= 216 && (i)>= 268))
static bool version_filter(int type, int idx)
/* filter out capabilities we may want to suppress */
{
switch (tversion)
{
case V_ALLCAPS: /* SVr4, XSI Curses */
return(TRUE);
case V_SVR1: /* System V Release 1, Ultrix */
switch (type)
{
case BOOLEAN:
/* below and including xon_xoff */
return ((idx <= 20) ? TRUE : FALSE);
case NUMBER:
/* below and including width_status_line */
return ((idx <= 7) ? TRUE : FALSE);
case STRING:
/* below and including prtr_non */
return ((idx <= 144) ? TRUE : FALSE);
}
break;
case V_HPUX: /* Hewlett-Packard */
switch (type)
{
case BOOLEAN:
/* below and including xon_xoff */
return ((idx <= 20) ? TRUE : FALSE);
case NUMBER:
/* below and including label_width */
return ((idx <= 10) ? TRUE : FALSE);
case STRING:
if (idx <= 144) /* below and including prtr_non */
return(TRUE);
else if (FNKEY(idx)) /* function keys */
return(TRUE);
else if (idx==147||idx==156||idx==157) /* plab_norm,label_on,label_off */
return(TRUE);
else
return(FALSE);
}
break;
case V_AIX: /* AIX */
switch (type)
{
case BOOLEAN:
/* below and including xon_xoff */
return ((idx <= 20) ? TRUE : FALSE);
case NUMBER:
/* below and including width_status_line */
return ((idx <= 7) ? TRUE : FALSE);
case STRING:
if (idx <= 144) /* below and including prtr_non */
return(TRUE);
else if (FNKEY(idx)) /* function keys */
return(TRUE);
else
return(FALSE);
}
break;
case V_BSD: /* BSD */
switch (type)
{
case BOOLEAN:
return bool_from_termcap[idx];
case NUMBER:
return num_from_termcap[idx];
case STRING:
return str_from_termcap[idx];
}
break;
}
return(FALSE); /* pacify the compiler */
}
static
void append_output (const char *src)
{
if (src == 0) {
out_used = 0;
append_output("");
} else {
size_t need = strlen(src);
size_t want = need + out_used + 1;
if (want > out_size) {
out_size += want; /* be generous */
if (outbuf == 0)
outbuf = malloc(out_size);
else
outbuf = realloc(outbuf, out_size);
}
(void)strcpy(outbuf + out_used, src);
out_used += need;
}
}
static
void force_wrap(void)
{
oldcol = column;
append_output(trailer);
column = INDENT;
}
static
void wrap_concat(const char *src)
{
int need = strlen(src);
int want = strlen(separator) + need;
if (column > INDENT
&& column + want > width) {
force_wrap();
}
append_output(src);
append_output(separator);
column += need;
}
#define IGNORE_SEP_TRAIL(first,last,sep_trail) \
if ((size_t)(last - first) > sizeof(sep_trail)-1 \
&& !strncmp(first, sep_trail, sizeof(sep_trail)-1)) \
first += sizeof(sep_trail)-2
/* Returns the nominal length of the buffer assuming it is termcap format,
* i.e., the continuation sequence is treated as a single character ":".
*
* There are several implementations of termcap which read the text into a
* fixed-size buffer. Generally they strip the newlines from the text, but may
* not do it until after the buffer is read. Also, "tc=" resolution may be
* expanded in the same buffer. This function is useful for measuring the size
* of the best fixed-buffer implementation; the worst case may be much worse.
*/
#ifdef TEST_TERMCAP_LENGTH
static int termcap_length(const char *src)
{
static const char pattern[] = ":\\\n\t:";
int len = 0;
const char *const t = src + strlen(src);
while (*src != '\0') {
IGNORE_SEP_TRAIL(src, t, pattern);
src++;
len++;
}
return len;
}
#else
#define termcap_length(src) strlen(src)
#endif
static char * fmt_complex(char *dst, char *src, int level)
{
int percent = 0;
int n;
dst += strlen(dst);
while (*src != '\0') {
switch (*src) {
case '\\':
percent = 0;
*dst++ = *src++;
break;
case '%':
percent = 1;
break;
case '?': /* "if" */
case 't': /* "then" */
case 'e': /* "else" */
if (percent) {
percent = 0;
dst[-1] = '\n';
for (n = 0; n <= level; n++)
*dst++ = '\t';
*dst++ = '%';
*dst++ = *src;
*dst = '\0';
if (*src++ == '?') {
src = fmt_complex(dst, src, level+1);
dst += strlen(dst);
} else if (level == 1) {
_nc_warning("%%%c without %%?", *src);
}
continue;
}
break;
case ';': /* "endif" */
if (percent) {
percent = 0;
if (level > 1) {
dst[-1] = '\n';
for (n = 0; n < level; n++)
*dst++ = '\t';
*dst++ = '%';
*dst++ = *src++;
*dst = '\0';
return src;
}
_nc_warning("%%; without %%?");
}
break;
default:
percent = 0;
break;
}
*dst++ = *src++;
}
*dst = '\0';
return src;
}
int fmt_entry(TERMTYPE *tterm,
int (*pred)(int type, int idx),
bool suppress_untranslatable,
bool infodump,
int numbers)
{
int i, j;
char buffer[MAX_TERMINFO_LENGTH];
NCURSES_CONST char *name;
int predval, len;
int num_bools = 0;
int num_values = 0;
int num_strings = 0;
bool outcount = 0;
#define WRAP_CONCAT \
wrap_concat(buffer); \
outcount = TRUE
len = 12; /* terminfo file-header */
if (pred == 0) {
cur_type = tterm;
pred = dump_predicate;
}
append_output(0);
append_output(tterm->term_names);
append_output(separator);
column = out_used;
force_wrap();
for_each_boolean(j,tterm) {
i = BoolIndirect(j);
name = ExtBoolname(tterm,i,bool_names);
if (!version_filter(BOOLEAN, i))
continue;
else if ((outform == F_LITERAL || outform == F_TERMINFO || outform == F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
predval = pred(BOOLEAN, i);
if (predval != FAIL) {
(void) strcpy(buffer, name);
if (predval <= 0)
(void) strcat(buffer, "@");
else if (i + 1 > num_bools)
num_bools = i + 1;
WRAP_CONCAT;
}
}
if (column != INDENT)
force_wrap();
for_each_number(j,tterm) {
i = NumIndirect(j);
name = ExtNumname(tterm,i,num_names);
if (!version_filter(NUMBER, i))
continue;
else if ((outform == F_LITERAL || outform == F_TERMINFO || outform == F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
predval = pred(NUMBER, i);
if (predval != FAIL) {
if (tterm->Numbers[i] < 0) {
sprintf(buffer, "%s@", name);
} else {
sprintf(buffer, "%s#%d", name, tterm->Numbers[i]);
if (i + 1 > num_values)
num_values = i + 1;
}
WRAP_CONCAT;
}
}
if (column != INDENT)
force_wrap();
len += num_bools
+ num_values * 2
+ strlen(tterm->term_names) + 1;
if (len & 1)
len++;
repair_acsc(tterm);
for_each_string(j, tterm) {
i = StrIndirect(j);
name = ExtStrname(tterm,i,str_names);
if (!version_filter(STRING, i))
continue;
else if ((outform == F_LITERAL || outform == F_TERMINFO || outform == F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
/*
* Some older versions of vi want rmir/smir to be defined
* for ich/ich1 to work. If they're not defined, force
* them to be output as defined and empty.
*/
if (outform==F_TERMCAP)
{
#undef CUR
#define CUR tterm->
if (insert_character || parm_ich)
{
if (&tterm->Strings[i] == &enter_insert_mode
&& enter_insert_mode == ABSENT_STRING)
{
(void) strcpy(buffer, "im=");
goto catenate;
}
if (&tterm->Strings[i] == &exit_insert_mode
&& exit_insert_mode == ABSENT_STRING)
{
(void) strcpy(buffer, "ei=");
goto catenate;
}
}
if (init_3string != 0
&& termcap_reset != 0
&& !strcmp(init_3string, termcap_reset))
DISCARD(init_3string);
if (reset_2string != 0
&& termcap_reset != 0
&& !strcmp(reset_2string, termcap_reset))
DISCARD(reset_2string);
}
predval = pred(STRING, i);
buffer[0] = '\0';
if (predval != FAIL) {
if (tterm->Strings[i] != ABSENT_STRING
&& i + 1 > num_strings)
num_strings = i + 1;
if (!VALID_STRING(tterm->Strings[i]))
sprintf(buffer, "%s@", name);
else if (outform == F_TERMCAP || outform == F_TCONVERR)
{
char *srccap = _nc_tic_expand(tterm->Strings[i], FALSE, numbers);
char *cv = _nc_infotocap(name, srccap, parametrized[i]);
if (cv == 0)
{
if (outform == F_TCONVERR)
sprintf(buffer, "%s=!!! %s WILL NOT CONVERT !!!", name, srccap);
else if (suppress_untranslatable)
continue;
else
sprintf(buffer, "..%s=%s", name, srccap);
}
else
sprintf(buffer, "%s=%s", name, cv);
len += strlen(tterm->Strings[i]) + 1;
}
else
{
char *src = _nc_tic_expand(tterm->Strings[i], outform==F_TERMINFO, numbers);
sprintf(buffer, "%s=", name);
if (pretty && outform==F_TERMINFO)
fmt_complex(buffer + strlen(buffer), src, 1);
else
strcat(buffer, src);
len += strlen(tterm->Strings[i]) + 1;
}
catenate:
WRAP_CONCAT;
}
}
len += num_strings * 2;
/*
* This piece of code should be an effective inverse of the functions
* postprocess_terminfo and postprocess_terminfo in parse_entry.c.
* Much more work should be done on this to support dumping termcaps.
*/
if (tversion == V_HPUX)
{
if (memory_lock)
{
(void) sprintf(buffer, "meml=%s", memory_lock);
WRAP_CONCAT;
}
if (memory_unlock)
{
(void) sprintf(buffer, "memu=%s", memory_unlock);
WRAP_CONCAT;
}
}
else if (tversion == V_AIX)
{
if (VALID_STRING(acs_chars))
{
bool box_ok = TRUE;
const char *acstrans = "lqkxjmwuvtn";
const char *cp;
char *tp, *sp, boxchars[11];
tp = boxchars;
for (cp = acstrans; *cp; cp++)
{
sp = strchr(acs_chars, *cp);
if (sp)
*tp++ = sp[1];
else
{
box_ok = FALSE;
break;
}
}
tp[0] = '\0';
if (box_ok)
{
(void) strcpy(buffer, "box1=");
(void) strcat(buffer, _nc_tic_expand(boxchars, outform==F_TERMINFO, numbers));
WRAP_CONCAT;
}
}
}
/*
* kludge: trim off trailer to avoid an extra blank line
* in infocmp -u output when there are no string differences
*/
if (outcount)
{
j = out_used;
if (j >= 2
&& outbuf[j-1] == '\t'
&& outbuf[j-2] == '\n') {
out_used -= 2;
} else if (j >= 4
&& outbuf[j-1] == ':'
&& outbuf[j-2] == '\t'
&& outbuf[j-3] == '\n'
&& outbuf[j-4] == '\\') {
out_used -= 4;
}
outbuf[out_used] = '\0';
column = oldcol;
}
#if 0
fprintf(stderr, "num_bools = %d\n", num_bools);
fprintf(stderr, "num_values = %d\n", num_values);
fprintf(stderr, "num_strings = %d\n", num_strings);
fprintf(stderr, "term_names=%s, len=%d, strlen(outbuf)=%d, outbuf=%s\n",
tterm->term_names, len, out_used, outbuf);
#endif
/*
* Here's where we use infodump to trigger a more stringent length check
* for termcap-translation purposes.
* Return the length of the raw entry, without tc= expansions,
* It gives an idea of which entries are deadly to even *scan past*,
* as opposed to *use*.
*/
return(infodump ? len : termcap_length(outbuf));
}
int dump_entry(TERMTYPE *tterm, bool limited, int numbers, int (*pred)(int type, int idx))
/* dump a single entry */
{
int len, critlen;
const char *legend;
bool infodump;
if (outform==F_TERMCAP || outform==F_TCONVERR)
{
critlen = MAX_TERMCAP_LENGTH;
legend = "older termcap";
infodump = FALSE;
set_obsolete_termcaps(tterm);
}
else
{
critlen = MAX_TERMINFO_LENGTH;
legend = "terminfo";
infodump = TRUE;
}
if (((len = fmt_entry(tterm, pred, FALSE, infodump, numbers)) > critlen) && limited)
{
(void) printf("# (untranslatable capabilities removed to fit entry within %d bytes)\n",
critlen);
if ((len = fmt_entry(tterm, pred, TRUE, infodump, numbers)) > critlen)
{
/*
* We pick on sgr because it's a nice long string capability that
* is really just an optimization hack.
*/
char *oldsgr = set_attributes;
set_attributes = ABSENT_STRING;
(void) printf("# (sgr removed to fit entry within %d bytes)\n",
critlen);
if ((len = fmt_entry(tterm, pred, TRUE, infodump, numbers)) > critlen)
{
int oldversion = tversion;
tversion = V_BSD;
(void) printf("# (terminfo-only capabilities suppressed to fit entry within %d bytes)\n",
critlen);
if ((len = fmt_entry(tterm, pred, TRUE, infodump, numbers)) > critlen)
{
(void) fprintf(stderr,
"warning: %s entry is %d bytes long\n",
_nc_first_name(tterm->term_names),
len);
(void) printf(
"# WARNING: this entry, %d bytes long, may core-dump %s libraries!\n",
len, legend);
}
tversion = oldversion;
}
set_attributes = oldsgr;
}
}
(void) fputs(outbuf, stdout);
return len;
}
int dump_uses(const char *name, bool infodump)
/* dump "use=" clauses in the appropriate format */
{
char buffer[MAX_TERMINFO_LENGTH];
append_output(0);
(void)sprintf(buffer, "%s%s", infodump ? "use=" : "tc=", name);
wrap_concat(buffer);
(void) fputs(outbuf, stdout);
return out_used;
}
void compare_entry(void (*hook)(int t, int i, const char *name), TERMTYPE *tp GCC_UNUSED)
/* compare two entries */
{
int i, j;
NCURSES_CONST char * name;
(void) fputs(" comparing booleans.\n", stdout);
for_each_boolean(j,tp)
{
i = BoolIndirect(j);
name = ExtBoolname(tp,i,bool_names);
if ((outform == F_LITERAL || outform == F_TERMINFO || outform == F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
(*hook)(BOOLEAN, i, name);
}
(void) fputs(" comparing numbers.\n", stdout);
for_each_number(j,tp)
{
i = NumIndirect(j);
name = ExtNumname(tp,i,num_names);
if ((outform==F_LITERAL || outform==F_TERMINFO || outform==F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
(*hook)(NUMBER, i, name);
}
(void) fputs(" comparing strings.\n", stdout);
for_each_string(j,tp)
{
i = StrIndirect(j);
name = ExtStrname(tp,i,str_names);
if ((outform==F_LITERAL || outform==F_TERMINFO || outform==F_VARIABLE)
&& (OBSOLETE(name) && outform != F_LITERAL))
continue;
(*hook)(STRING, i, name);
}
}
#define NOTSET(s) ((s) == 0)
/*
* This bit of legerdemain turns all the terminfo variable names into
* references to locations in the arrays Booleans, Numbers, and Strings ---
* precisely what's needed.
*/
#undef CUR
#define CUR tp->
static void set_obsolete_termcaps(TERMTYPE *tp)
{
#include "capdefaults.c"
}
/*
* Convert an alternate-character-set string to canonical form: sorted and
* unique.
*/
static void repair_acsc(TERMTYPE *tp)
{
if (VALID_STRING(acs_chars)) {
size_t n, m;
char mapped[256];
char extra = 0;
unsigned source;
unsigned target;
bool fix_needed = FALSE;
for (n = 0, source = 0; acs_chars[n] != 0; n++) {
target = acs_chars[n];
if (source >= target) {
fix_needed = TRUE;
break;
}
source = target;
if (acs_chars[n+1])
n++;
}
if (fix_needed) {
memset(mapped, 0, sizeof(mapped));
for (n = 0; acs_chars[n] != 0; n++) {
source = acs_chars[n];
if ((target = (unsigned char)acs_chars[n+1]) != 0) {
mapped[source] = target;
n++;
} else {
extra = source;
}
}
for (n = m = 0; n < sizeof(mapped); n++) {
if (mapped[n]) {
acs_chars[m++] = n;
acs_chars[m++] = mapped[n];
}
}
if (extra)
acs_chars[m++] = extra; /* garbage in, garbage out */
acs_chars[m] = 0;
}
}
}
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